======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '64'
                                          'artist'  'David Wessel'
                                     'text_people'  ''
                                         'release'  'IRCAM - Un Portrait'
                                           'title'  'Line-broadening I'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-3', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  ("['contemporary classical', 'experimental', 'composer', 'american', 'thanks "
 "to continuo']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'electronic-experimental;set-pl-mor'
                                             'bpm'  '99.4'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'IRCAM - Un Portrait'
'TBPM' (BPM (beats per minute))                     '99.4'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental', 'set-pl-mor']
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'Line-broadening I'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'David Wessel'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['contemporary classical',
 'experimental',
 'composer',
 'american',
 'thanks to continuo']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+5.59 dB'
'TXXX:replaygain_track_peak'                        '0.987679'

========================== row from database ==========================
                                              'id'  1362193
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tod Machover - IRCAM - Un Portrait/14 Line-broadening I.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  64
                                           'genre'  electronic-experimental;set-pl-mor
                                        'filesize'  3111835
                                           'mtime'  1636920561
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Tod Machover 14 electronic experimental;set pl mor
                                      'tag_artist'  David Wessel
                                     'tag_release'  IRCAM - Un Portrait
                                       'tag_title'  Line-broadening I
                                             'bpm'  99.4
                                    'search_title'  'broadening':2 'i':4 'line':1 'linebroadening':3
                                   'search_artist'  'david':1 'wessel':2
                                  'search_release'  'ircam':1 'portrait':3 'un':2
                                     'search_rest'  'electronic':3 'experimental':4,6 'machover':2 'mor':9 'pl':8 'set':5,7 'tod':1
                                    'search_combo'  'broadening':2A 'david':5B 'electronic':12 'experimental':13,15 'i':4A 'ircam':7C 'line':1A 'linebroadening':3A 'machover':11 'mor':18 'pl':17 'portrait':9C 'set':14,16 'tod':10 'un':8C 'wessel':6B
                                    'tag_tracknum'  14
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['contemporary classical', 'experimental', 'composer', 'american', 'thanks to continuo']
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636920561.2330508  (2021-11-14 21:09:21)
                             'size'  3111835